Home / 20,233.81-30,351.31-5,442.74

Finding the Fourth Proportional to 20,233.81, 30,351.31 and 5,442.74

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Solution

The fourth proportional to 20,233.81, 30,351.31 and 5,442.74 is: 8,164.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.81 : 30,351.31 = 5,442.74 : x
  2. Step 2: Convert to fraction form
    20,233.81/30,351.31 = 5,442.74/x
  3. Step 3: Cross multiply
    20,233.81x = 30,351.31 × 5,442.74
  4. Step 4: Simplify right side
    20,233.81x = 165,194,123.63
  5. Step 5: Solve for x
    x = 165,194,123.63/20,233.81
  6. Step 6: Final answer
    x = 8,164.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.